mb/asus/p5qpl-am: Add p5g41t-m_lx as a variant

This board has more or less the same as the p5qpl-am except for DDR3
memory and different colors on the ports. Tested with Arch Linux with
kernel 4.20.0-arch1-1-ARCH.

What is tested and works:
 - 800/1066/1333 MHz CPUs and DDR3 sticks at 800/1066 MHz
     Some bugs are still present in the DDR3 raminit code though.
 - Ethernet
 - Internal programmer with both coreboot and stock firmware.
 - PCI and PCIe x1 slots
 - All USB ports
 - S3 resume
 - SATA ports
 - PEG
 - Rear audio output

Change-Id: I92cd15a245c4f1d8f57b304c9c3a37ba29c35431
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/27089
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/asus/p5qpl-am/devicetree.cb b/src/mainboard/asus/p5qpl-am/devicetree.cb
index f721f08..63ae8ce 100644
--- a/src/mainboard/asus/p5qpl-am/devicetree.cb
+++ b/src/mainboard/asus/p5qpl-am/devicetree.cb
@@ -2,6 +2,7 @@
 # This file is part of the coreboot project.
 #
 # Copyright (C) 2017 Arthur Heymans <arthur@aheymans.xyz>
+# Copyright (C) 2019 Angel Pons <th3fanbus@gmail.com>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -24,7 +25,6 @@
 		end
 	end
 	device domain 0 on		# PCI domain
-		subsystemid 0x1043 0x836d inherit
 		device pci 0.0 on end			# Host Bridge
 		device pci 1.0 on end			# PEG
 		device pci 2.0 on end			# Integrated graphics controller
@@ -46,76 +46,26 @@
 			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "gpe0_en" = "0x04000440"
 
-			device pci 1b.0 on end		# Audio
-			device pci 1c.0 on end		# PCIe 1
+			device pci 1b.0 on  end		# Audio
+			device pci 1c.0 on  end		# PCIe 1: PCIe x1 slot
 			device pci 1c.1 on		# PCIe 2: NIC
 				device pci 00.0 on
 				end
 			end
 			device pci 1c.2 off end		# PCIe 3
 			device pci 1c.3 off end		# PCIe 4
-			device pci 1c.4 off end		# PCIe 5
-			device pci 1c.5 off end		# PCIe 6
-			device pci 1d.0 on end		# USB
-			device pci 1d.1 on end		# USB
-			device pci 1d.2 on end		# USB
-			device pci 1d.3 on end		# USB
-			device pci 1d.7 on end		# USB
-			device pci 1e.0 on end		# PCI bridge
+			device pci 1d.0 on  end		# USB
+			device pci 1d.1 on  end		# USB
+			device pci 1d.2 on  end		# USB
+			device pci 1d.3 on  end		# USB
+			device pci 1d.7 on  end		# USB
+			device pci 1e.0 on  end		# PCI bridge
 			device pci 1e.2 off end		# AC'97 Audio Controller
 			device pci 1e.3 off end		# AC'97 Modem Controller
-			device pci 1f.0 on		# ISA bridge
-				chip superio/winbond/w83627dhg
-					device pnp 2e.0 off end		# Floppy
-					device pnp 2e.1 on		# Parallel port
-						# global
-						irq 0x2c = 0x92
-						# parallel port
-						io 0x60 = 0x378
-						irq 0x70 = 7
-						drq 0x74 = 3
-					end
-					device pnp 2e.2 on		# COM1
-						io 0x60 = 0x3f8
-						irq 0x70 = 4
-					end
-					device pnp 2e.3 off end		# COM2, IR
-					device pnp 2e.5 on		# Keyboard, mouse
-						io 0x60 = 0x60
-						io 0x62 = 0x64
-						irq 0x70 = 1
-						irq 0x72 = 12
-					end
-					device pnp 2e.6 off end		# SPI
-					device pnp 2e.7 on end		# GPIO6 (all input)
-					device pnp 2e.8 off end		# WDT0#, PLED
-					device pnp 2e.9 off end		# GPIO2
-					device pnp 2e.109 on		# GPIO3
-						irq 0xf0 = 0xf3
-#						irq 0xf1 = 0x08
-					end
-					device pnp 2e.209 on		# GPIO4
-						irq 0xf4 = 0x00
-					end
-					device pnp 2e.309 off end		# GPIO5
-					device pnp 2e.a on		# ACPI
-						irq 0x70 = 0
-						irq 0xe4 = 0x10 # VSBGATE# to power dram during S3
-					end
-					device pnp 2e.b on		# HWM, front pannel LED
-						io 0x60 = 0x290
-						irq 0x70 = 0
-					end
-					device pnp 2e.c on		# PECI, SST
-						irq 0xe0 = 0x10
-						irq 0xe1 = 0x64
-                                                irq 0xe8 = 0x01
-					end
-				end
-			end
-			device pci 1f.1 on end	# PATA/IDE
-			device pci 1f.2 on end	# SATA
-			device pci 1f.3 on end	# SMbus
+			device pci 1f.0 on  end		# ISA bridge
+			device pci 1f.1 on  end		# PATA/IDE
+			device pci 1f.2 on  end		# SATA
+			device pci 1f.3 on  end		# SMbus
 		end
 	end
 end